#67-Front-End Parser - Coding

Added:
- Parser code fe_parser.py for grammar syntax v.6 - Parser/fe_parser.py;
- syntaxic intermediate code stuff: définition of this intemrediate code, of ther elated nodes and of the syntax errors aliases and texts.
Still have to verify that the parser code conforms to v.8 of Typee language grammar.

src/FrontEnd/Errors/__init__.py

@@ -0,0 +1,23 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+"""
+Copyright (c) 2018 Philippe Schmouker, Typee project, http://www.typee.ovh
+
+Permission is hereby granted,  free of charge,  to any person obtaining a copy
+of this software and associated documentation files (the "Software"),  to deal
+in the Software without restriction, including  without  limitation the rights
+to use,  copy,  modify,  merge,  publish,  distribute, sublicense, and/or sell
+copies of the Software,  and  to  permit  persons  to  whom  the  Software  is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS",  WITHOUT WARRANTY OF ANY  KIND,  EXPRESS  OR
+IMPLIED,  INCLUDING  BUT  NOT  LIMITED  TO  THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT  SHALL  THE
+AUTHORS  OR  COPYRIGHT  HOLDERS  BE  LIABLE  FOR  ANY CLAIM,  DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  TORT OR OTHERWISE, ARISING FROM,
+OUT  OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+"""